Personalized Cute Monsters Toddler Long Sleeve T-Shirt. Adorable monsters are ready for Halloween, or any occasion, such as a birthday party! A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.